Models with the serial numbers ground off of
the case are usually
units rebuilt by GM.
You should find a
sticker on the bell
housing with the new
Notice the three pressure
taps on this side of the case. Only found on
1982-1988 and some
4L60E (electronically shifted 700s) produced 1992 and
up. Can be identified by the large electrical connector
just behind the 2-4 servo.